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SOME FACTORS AFFECTING THE THERMOCHEMILUMINESCENCE OF CHLOROPHYLL
Author(s) -
Bellamy W.D.
Publication year - 1964
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.1964.tb08782.x
Subject(s) - chlorophyll , etiolation , carotene , chloroplast , chemistry , isoprene , photosynthesis , chlorophyll a , squalene , greening , absorption (acoustics) , carotenoid , phytoene , nerolidol , chlorophyll b , botany , photochemistry , biochemistry , lycopene , biology , food science , organic chemistry , materials science , enzyme , ecology , copolymer , composite material , gene , polymer , linalool , essential oil
— The therrnochemiluminescence of the chloroplasts from normal lettuce seedlings is enhanced by the addition of β carotene but not by chlorophyll a .The thermochemiluminescence of chloroplasts from etiolated seedlings is enhanced by neither β carotene nor chlorophyll a .A variety of electron donors were substituted for β carotene in the mixtures with chlorophyll a .The most active were squalene, β carotene, vitamin A, and nerolidol. The isoprene structure (‐CH 2 ‐CCH 3 =CH‐CH 2 ‐) appears to be a necessary but not sufficient requirement for energy transfer during thermochemiluminescence.Changes in the absorption spectra indicate that both chlorophyll and carotene are destroyed during thermochemiluminescence.